GB1403073A - Portable rock drills - Google Patents

Portable rock drills

Info

Publication number
GB1403073A
GB1403073A GB5454972A GB5454972A GB1403073A GB 1403073 A GB1403073 A GB 1403073A GB 5454972 A GB5454972 A GB 5454972A GB 5454972 A GB5454972 A GB 5454972A GB 1403073 A GB1403073 A GB 1403073A
Authority
GB
United Kingdom
Prior art keywords
drill
clutch
stroitelno
rotated
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5454972A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VNII PK I MECHANIZIROVANNOGO
Original Assignee
VNII PK I MECHANIZIROVANNOGO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VNII PK I MECHANIZIROVANNOGO filed Critical VNII PK I MECHANIZIROVANNOGO
Priority to GB5454972A priority Critical patent/GB1403073A/en
Publication of GB1403073A publication Critical patent/GB1403073A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

1403073 Rotary-percussive rock drill VSESOJUZNY NAUCHNO - ISSLEDOVATELSKY I PROEKTNO - KONSTRUKTORSKY INSTITUT MEKANIZIROVANNOGO I RUCHNOGO STROITELNO - MONTAZHNOGO INSTRUMENTA VIBRATOROV I STROITELNO - OTDELOCHNYKH MASHIN 24 Nov 1972 54549/72 Heading B3C [Also in Division B4] A portable rotary-percussive rock drill, comprises an impact mechanism 3, a rotatable tool holder 5, a drive 8, 6, 7, for the tool holder, and a unidirectional clutch 10 connected to the drill housing 1 and to the drive. In operation, drill bit 9 is rotated and impacted with clutch 10 allowing free rotation. If the drill bit jams, it is released by the operator rotating housing 1 so that due to clutch 10 the bit is rotated in the opposite direction.
GB5454972A 1972-11-24 1972-11-24 Portable rock drills Expired GB1403073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5454972A GB1403073A (en) 1972-11-24 1972-11-24 Portable rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5454972A GB1403073A (en) 1972-11-24 1972-11-24 Portable rock drills

Publications (1)

Publication Number Publication Date
GB1403073A true GB1403073A (en) 1975-08-13

Family

ID=10471380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5454972A Expired GB1403073A (en) 1972-11-24 1972-11-24 Portable rock drills

Country Status (1)

Country Link
GB (1) GB1403073A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees